// Copyright (C) 2014-2021  CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef SketchSolver_ConstraintFixed_H_
#define SketchSolver_ConstraintFixed_H_

#include <SketchSolver_Constraint.h>

/** \class   SketchSolver_ConstraintFixed
 *  \ingroup Plugins
 *  \brief   Stores data of the Fixed constraint
 */
class SketchSolver_ConstraintFixed : public SketchSolver_Constraint
{
public:
  /// Creates constraint to manage the given constraint from plugin
  SketchSolver_ConstraintFixed(ConstraintPtr theConstraint);

  /// \brief Block or unblock events from this constraint
  virtual void blockEvents(bool isBlocked);

protected:
  /// \brief Converts SketchPlugin constraint to a list of SolveSpace constraints
  virtual void process();

  /// \brief Generate list of attributes of constraint in order useful for constraints
  /// \param[out] theValue      numerical characteristic of constraint (e.g. distance)
  /// \param[out] theAttributes list of attributes to be filled
  virtual void getAttributes(EntityWrapperPtr& , std::vector<EntityWrapperPtr>& )
  {}

  /// \brief Obtain entity to be fixed
  EntityWrapperPtr entityToFix();

  /// \brief Create Fixed constraint for the feature basing on its type
  /// \param theFeature [in]  feature, converted to solver specific format
  /// \return Fixed constraint
  ConstraintWrapperPtr fixFeature(EntityWrapperPtr theFeature);

protected:
  std::vector<double> myFixedValues;
};

#endif
